- Socket with protective plastic insert for mounting Hygienic Design® and Usit® products - Materials: Socket: tool steel Insert: special PETP Advantages - 1/2” drive socket with a plastic insert to tighten and loosen screws and nuts in the Hygienic range. The plastic insert is made of special PETP and is FDA approved. The inserts are pressed into the socket by hand. Their special shape, combined with a clamping device, ensures optimal retention inside the socket. - No special tools are required to replace worn plastic inserts. - With a tightening torque (according to DIN standard for A4-70 screws and nuts, friction coefficient 0.12µ) the inserts plastic have a life span of up to 1,000 cycles or more
